Speaker
Josef Leutgeb
Description
The primary source of the estimated error in the standard model's prediction for the anomalous magnetic moment of the muon originates mainly from hadronic vacuum polarization and hadronic light-by-light scattering. The latter is dominated by the exchange of neutral pseudoscalars and axial-vector mesons. By employing holographic QCD, we can compute these contributions and address the problem of most phenomenological models in meeting the established short-distance constraints of the hadronic light-by-light tensor. Notably, this includes the constraint implied by the axial anomaly identified by Melnikov and Vainshtein.
Author
Josef Leutgeb
